1TB Portable Hard Drive for $45(expired)
Toshiba 1TB Portable USB Hard Drive for $45 today.
Normally $51, so this deal is about 10% off.
Also, if you're looking for a very large capacity hard drive, Newegg is currently selling a Seagate IronWolf 8TB 7200rpm Internal Hard Drive for $220 when applying code EMCPSRW37 in the cart.